XChat 1.89 DNS Command privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in XChat 1.89 and classified as critical. The impacted element is an unknown function of the component DNS Command Handler. Such manipulation leads to privileges management. This vulnerability is traded as CVE-2002-0382. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in XChat 1.89 (Chat Software). Affected by this issue is an unknown code of the component DNS Command Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

XChat IRC client allows remote attackers to execute arbitrary commands via a /dns command on a host whose DNS reverse lookup contains shell metacharacters.

The bug was discovered 03/27/2002. The weakness was shared 06/25/2002 as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-2002-0382. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 90 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 13954 (Mandrake Linux Security Advisory : xchat (MDKSA-2002:051)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115003 (Red Hat XChat DNS Command Character Stripping EXECL Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (8704), Tenable (13954), SecurityFocus (BID 4376†), OSVDB (14760†) and Vulnerability Center (SBV-6743†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 13954
Nessus Name: Mandrake Linux Security Advisory : xchat (MDKSA-2002:051)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/27/2002 🔍
03/27/2002 +0 days 🔍
03/27/2002 +0 days 🔍
06/25/2002 +90 days 🔍
06/25/2002 +0 days 🔍
08/14/2002 +50 days 🔍
07/31/2004 +717 days 🔍
01/04/2005 +157 days 🔍
07/11/2014 +3475 days 🔍
09/18/2025 +4087 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-2002-0382 (🔍)
GCVE (CVE): GCVE-0-2002-0382
GCVE (VulDB): GCVE-100-18344
X-Force: 8704
SecurityFocus: 4376 - XChat DNS Command Character Stripping EXECL Vulnerability
OSVDB: 14760 - X-Chat /dns query allows remote attacker to execute arbitrary commands
Vulnerability Center: 6743 - Code Execution in X-Chat <= 1.8.9 via /dns Query, High

Entryinfo

Created: 07/11/2014 14:17
Updated: 09/18/2025 20:06
Changes: 07/11/2014 14:17 (68), 05/29/2019 08:16 (5), 09/18/2025 20:06 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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